

000 

WGUS73 KDMX 230313

FFSDMX

IAC009-015-027-049-073-077-099-127-153-169-171-230515-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DES MOINES IA

1013 PM CDT SAT MAY 22 2004



...A FLASH FLOOD WARNING CONTINUES FOR TAMA...CARROLL...GREENE...

BOONE...MARSHALL...STORY...JASPER...POLK...GUTHRIE...AUDUBON AND 

DALLAS COUNTIES UNTIL 1215 AM CDT SUNDAY...



AT 1007 PM...AMATEUR RADIO AND LAW ENFORCEMENT HAVE REPORTED FLASH 

FLOODING IN NORTHERN POLK...NORTHERN DALLAS...STORY...MARSHALL

...SOUTHERN BOONE AND AUDUBON COUNTIES SINCE 9 PM. 



THUNDERSTORMS WERE CONTINUOUSLY MOVING OVER THE SAME AREA. THE 

GROUND IS ALREADY SATURATED BY RAINFALL IN THE WARNING AREA...AND 

ADDITIONAL RAIN WILL CONTINUE TO PRODUCE SIGNIFICANT RUNOFF INTO 

SWOLLEN WATERWAYS. THUNDERSTORMS ARE EXPECTED TO PRODUCE RAINFALL 

RATES OF 1 TO 3 INCHES PER HOUR. SEVERAL AREAS HAVE ALREADY RECEIVED 

2 TO 4 INCHES OF RAINFALL THIS EVENING...INCLUDING MARSHALLTOWN AND 

AMES.



FLASH FLOODS OCCUR QUICKLY...MOVE TO HIGHER GROUND. AVOID WATER

COVERED ROADS...THE ROAD MAY BE WASHED OUT. LESS THAN ONE FOOT OF

FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF THE ROAD.



LAT...LON 4226 9231 4196 9239 4188 9278 4153 9307

          4150 9511 4213 9510 4222 9285 4227 9250



$$



GRAMS

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